Finding the Fourth Proportional to 263,556.78, 363,707.84 and 142,698.02
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Solution
The fourth proportional to 263,556.78, 363,707.84 and 142,698.02 is: 196,922.99
Step by Step Solution
- Step 1: Write the proportion equation
263,556.78 : 363,707.84 = 142,698.02 : x - Step 2: Convert to fraction form
263,556.78/363,707.84 = 142,698.02/x - Step 3: Cross multiply
263,556.78x = 363,707.84 × 142,698.02 - Step 4: Simplify right side
263,556.78x = 51,900,388,626.48 - Step 5: Solve for x
x = 51,900,388,626.48/263,556.78 - Step 6: Final answer
x = 196,922.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.